FR932722A - Improvement in devices for measuring and indicating the roughness of a surface - Google Patents

Improvement in devices for measuring and indicating the roughness of a surface

Info

Publication number
FR932722A
FR932722A FR932722DA FR932722A FR 932722 A FR932722 A FR 932722A FR 932722D A FR932722D A FR 932722DA FR 932722 A FR932722 A FR 932722A
Authority
FR
France
Prior art keywords
roughness
improvement
indicating
measuring
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kapella Ltd
Original Assignee
Kapella Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kapella Ltd filed Critical Kapella Ltd
Application granted granted Critical
Publication of FR932722A publication Critical patent/FR932722A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
FR932722D 1940-02-01 1946-08-24 Improvement in devices for measuring and indicating the roughness of a surface Expired FR932722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1980/40A GB539273A (en) 1940-02-01 1940-02-01 Improvements in or relating to apparatus for measuring and/or indicating surface roughness

Publications (1)

Publication Number Publication Date
FR932722A true FR932722A (en) 1948-03-31

Family

ID=9731456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR932722D Expired FR932722A (en) 1940-02-01 1946-08-24 Improvement in devices for measuring and indicating the roughness of a surface

Country Status (4)

Country Link
US (1) US2329084A (en)
CH (1) CH260889A (en)
FR (1) FR932722A (en)
GB (1) GB539273A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460726A (en) * 1943-01-11 1949-02-01 Brush Dev Co Surface roughness measuring device
GB577980A (en) * 1943-03-24 1946-06-11 Kapella Ltd Improvements in or relating to apparatus for measuring or indicating the roughnessesor undulations of a surface
GB568800A (en) * 1943-05-13 1945-04-20 Kapella Ltd Improvements in or relating to apparatus for measuring or indicating the roughnessesor undulations of a surface
US2491016A (en) * 1943-08-17 1949-12-13 Taylor Taylor & Hobson Ltd Apparatus for measuring or indicating the roughnesses or undulations of a surface
US2620655A (en) * 1949-10-08 1952-12-09 Physicists Res Company Instrument for recording or measuring the size and shape of surface irregularities
DE977396C (en) * 1949-10-28 1966-04-07 Johannes Dr-Ing Perthen Surface tester with display of several surface dimensions
US3585854A (en) * 1967-04-17 1971-06-22 Marine And Ind Scient & Techni Method and apparatus for indicating surface roughness
DE102005035786B3 (en) * 2005-07-27 2007-01-04 Carl Mahr Holding Gmbh Roughness
CN105091738A (en) * 2015-05-08 2015-11-25 嘉兴斯达微电子有限公司 Measuring device and measuring method for accurately measuring the whole curved surface of a flattening object
CN109900193B (en) * 2019-04-02 2020-12-15 金华市八咏交通工程检测有限公司 Bridge detecting system
CN113310379B (en) * 2021-05-13 2022-12-20 海南科技职业大学 Metal part abrasion degree detection table
CN116242284B (en) * 2023-04-20 2023-08-18 慧铁科技有限公司 Judgment method for damage of bearing saddle

Also Published As

Publication number Publication date
CH260889A (en) 1949-04-15
US2329084A (en) 1943-09-07
GB539273A (en) 1941-09-03

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